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P=6000*3=18000m²
b) 1dm,160cm=16dm
P=16dm²
c) 2m=200cm,10mm=1cm
P=200cm²
b) 1dm,160cm
c) 2m,10mm
P=a*b
Obw.=2*a+2*b
a) P=18000m²=18km²
Obw.=12006m
b) P=10*160=1600cm²
Obw.=340 cm
c) P=200cm*1cm=200cm²=2m²
Obw.=400+2=402cm